EJB Interview Questions
Questions Answers Views Company eMail

Which of the recommended practices to be performed in the ejbpassivate() method of a stateful session bean?

588

An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?

557

A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose?

520

How do I use a less than or greater than on a message selector in ejb-jar.xml?

518

Match the ejb functions given below with the functionality equivalent in sql?

544

For ejb applications with bean-managed transaction demarcations, which of the following is used by the client to get a reference to the usertransaction object for the weblogic server domain?

529

Which is the only method defined in the javax.ejb.handle interface?

624

How does ejb invocation happens?

541

What is the procedure for the creation of stateless ejb?

532

What are the advantages of java beam?

514

Explain the important elements of ejb?

547

Explain the concept of connection pooling feature of ejb container?

518

What are the various types of entity beam?

541

What are the callback annotations for the stateless bean?

489

What do you understand by session facade?

514


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Un-Answered Questions { EJB }

Can beans who are involved in transaction have 'passivation' process?

532


What is EJB server provider?

570


What do you mean by ‘hot deployment’ ?

577


How many enterprise beans?

540


Is functional programming stateless?

515






what is the Relationship between EJB and CORBA architecture?

3411


What do you mean enterprise javabeans (ejb) container?

589


How to create ejb project in eclipse?

520


Is it legal to have static initializer blocks in ejb?

547


What is the full form of ejb in java?

493


Explain the concept of ejb ql?

596


What is ejb in spring?

437


What are the advantages of java beam?

514


Is microservice stateless?

488


Define ACID Properties?

588